CS265234B2 - Method for reducing smelting of iron ores - Google Patents
Method for reducing smelting of iron ores Download PDFInfo
- Publication number
- CS265234B2 CS265234B2 CS871472A CS147287A CS265234B2 CS 265234 B2 CS265234 B2 CS 265234B2 CS 871472 A CS871472 A CS 871472A CS 147287 A CS147287 A CS 147287A CS 265234 B2 CS265234 B2 CS 265234B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- post
- combustion
- reaction
- melt
- die
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 40
- 229910052742 iron Inorganic materials 0.000 title claims description 22
- 238000003723 Smelting Methods 0.000 title description 3
- 238000006243 chemical reaction Methods 0.000 claims description 68
- 239000007789 gas Substances 0.000 claims description 64
- 238000002844 melting Methods 0.000 claims description 29
- 230000008018 melting Effects 0.000 claims description 29
- 239000000155 melt Substances 0.000 claims description 26
- 238000002485 combustion reaction Methods 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000006722 reduction reaction Methods 0.000 claims 3
- 230000004060 metabolic process Effects 0.000 claims 1
- 208000002352 blister Diseases 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 description 15
- 239000002912 waste gas Substances 0.000 description 12
- 239000003245 coal Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000001465 metallisation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003476 subbituminous coal Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
- C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0073—Selection or treatment of the reducing gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/20—Arrangements for treatment or cleaning of waste gases
- F27D17/22—Arrangements for treatment or cleaning of waste gases for removing solid constituents
- F27D17/25—Arrangements for treatment or cleaning of waste gases for removing solid constituents using cyclones
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Furnace Details (AREA)
- Gears, Cams (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863607775 DE3607775A1 (de) | 1986-03-08 | 1986-03-08 | Verfahren zur schmelzreduktion von eisenerz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS147287A2 CS147287A2 (en) | 1988-09-16 |
| CS265234B2 true CS265234B2 (en) | 1989-10-13 |
Family
ID=6295894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS871472A CS265234B2 (en) | 1986-03-08 | 1987-03-05 | Method for reducing smelting of iron ores |
Country Status (15)
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3607776A1 (de) * | 1986-03-08 | 1987-09-17 | Kloeckner Cra Tech | Verfahren zur herstellung von eisen |
| DE3737271A1 (de) * | 1986-12-23 | 1988-07-07 | Korf Engineering Gmbh | Einschmelzvergaser |
| ATE105872T1 (de) * | 1988-02-12 | 1994-06-15 | Kloeckner Cra Patent | Verfahren und vorrichtung zur nachverbrennung. |
| DE69120109T2 (de) * | 1990-03-13 | 1996-11-28 | CRA Services Ltd., Melbourne, Victoria | Verfahren zum Herstellen von Metallen und Legierungen in einem Schmelzreduktionsgefäss |
| JP2918646B2 (ja) * | 1990-07-18 | 1999-07-12 | 川崎重工業株式会社 | 溶融還元炉 |
| DE4042176C2 (de) * | 1990-12-29 | 1993-12-09 | Tech Resources Pty Ltd | Verfahren zur Reduktion von Metalloxiden im schmelzflüssigen Zustand |
| US5378260A (en) * | 1991-07-26 | 1995-01-03 | The United States Of America As Represented By The Department Of Energy | Two-zone countercurrent smelter system and process |
| DE4213007C1 (de) * | 1992-04-21 | 1993-12-16 | Tech Resources Pty Ltd | Verfahren und Vorrichtung zum Abdichten von Düsen in der umgebenden feuerfesten Ausmauerung |
| EP0648255B1 (en) * | 1992-06-29 | 1999-04-28 | Technological Resources Pty. Ltd. | Treatment of waste |
| DE4307484A1 (de) * | 1993-03-10 | 1994-09-15 | Metallgesellschaft Ag | Verfahren zur Direktreduktion von eisenoxidhaltigen Materialien mit festen kohlenstoffhaltigen Reduktionsmitteln |
| US5733358A (en) * | 1994-12-20 | 1998-03-31 | Usx Corporation And Praxair Technology, Inc. | Process and apparatus for the manufacture of steel from iron carbide |
| NL9500264A (nl) * | 1995-02-13 | 1996-09-02 | Hoogovens Staal Bv | Werkwijze voor het produceren van vloeibaar ruwijzer. |
| NL9500600A (nl) * | 1995-03-29 | 1996-11-01 | Hoogovens Staal Bv | Inrichting voor het produceren van vloeibaar ruwijzer door directe reductie. |
| AUPN226095A0 (en) * | 1995-04-07 | 1995-05-04 | Technological Resources Pty Limited | A method of producing metals and metal alloys |
| AUPO426396A0 (en) | 1996-12-18 | 1997-01-23 | Technological Resources Pty Limited | A method of producing iron |
| AUPO426096A0 (en) | 1996-12-18 | 1997-01-23 | Technological Resources Pty Limited | Method and apparatus for producing metals and metal alloys |
| AUPO944697A0 (en) * | 1997-09-26 | 1997-10-16 | Technological Resources Pty Limited | A method of producing metals and metal alloys |
| AUPP442598A0 (en) | 1998-07-01 | 1998-07-23 | Technological Resources Pty Limited | Direct smelting vessel |
| MY119760A (en) | 1998-07-24 | 2005-07-29 | Tech Resources Pty Ltd | A direct smelting process |
| AUPP483898A0 (en) | 1998-07-24 | 1998-08-13 | Technological Resources Pty Limited | A direct smelting process & apparatus |
| AUPP554098A0 (en) | 1998-08-28 | 1998-09-17 | Technological Resources Pty Limited | A process and an apparatus for producing metals and metal alloys |
| AUPP570098A0 (en) | 1998-09-04 | 1998-10-01 | Technological Resources Pty Limited | A direct smelting process |
| AUPP647198A0 (en) | 1998-10-14 | 1998-11-05 | Technological Resources Pty Limited | A process and an apparatus for producing metals and metal alloys |
| AUPP805599A0 (en) | 1999-01-08 | 1999-02-04 | Technological Resources Pty Limited | A direct smelting process |
| AUPQ083599A0 (en) | 1999-06-08 | 1999-07-01 | Technological Resources Pty Limited | Direct smelting vessel |
| AUPQ152299A0 (en) | 1999-07-09 | 1999-08-05 | Technological Resources Pty Limited | Start-up procedure for direct smelting process |
| AUPQ205799A0 (en) | 1999-08-05 | 1999-08-26 | Technological Resources Pty Limited | A direct smelting process |
| AUPQ213099A0 (en) | 1999-08-10 | 1999-09-02 | Technological Resources Pty Limited | Pressure control |
| AUPQ308799A0 (en) | 1999-09-27 | 1999-10-21 | Technological Resources Pty Limited | A direct smelting process |
| AUPQ346399A0 (en) | 1999-10-15 | 1999-11-11 | Technological Resources Pty Limited | Stable idle procedure |
| AUPQ365799A0 (en) | 1999-10-26 | 1999-11-18 | Technological Resources Pty Limited | A direct smelting apparatus and process |
| US6602321B2 (en) | 2000-09-26 | 2003-08-05 | Technological Resources Pty. Ltd. | Direct smelting process |
| US20060228294A1 (en) * | 2005-04-12 | 2006-10-12 | Davis William H | Process and apparatus using a molten metal bath |
| US11635257B2 (en) * | 2013-09-27 | 2023-04-25 | Nsgi Steel Inc. | Smelting apparatus and metallurgical processes thereof |
| CN116134158A (zh) * | 2020-02-26 | 2023-05-16 | Nsgi钢铁公司 | 熔炼设备和其冶金制程 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894831A (en) * | 1956-11-28 | 1959-07-14 | Old Bruce Scott | Process of fluidized bed reduction of iron ore followed by electric furnace melting |
| US3028231A (en) * | 1959-01-01 | 1962-04-03 | British Iron Steel Research | Processing of metallic ores |
| FR1314435A (fr) * | 1961-11-06 | 1963-01-11 | Koninklijke Hoogovens En Staal | Procédé et dispositif pour la réduction de combinaisons de fer |
| US3186830A (en) * | 1963-05-20 | 1965-06-01 | William H Moore | Melting process |
| US3734716A (en) * | 1971-11-18 | 1973-05-22 | Fmc Corp | Steelmaking process |
| JPS523322A (en) * | 1975-06-25 | 1977-01-11 | Ricoh Co Ltd | Sheet separate feeding method and the mechanism |
| DK288176A (da) * | 1975-07-04 | 1977-01-05 | Boliden Ab | Fremgangsmade til fremstilling af et delvis forreduceret produkt |
| DE2843303C2 (de) * | 1978-10-04 | 1982-12-16 | Korf-Stahl Ag, 7570 Baden-Baden | Verfahren und Anlage zur Erzeugung von flüssigem Roheisen und Reduktionsgas in einem Einschmelzvergaser |
| DE3133575C2 (de) * | 1980-08-22 | 1987-05-07 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur Eisenherstellung aus Stoffen, die Eisen mindestens teilweise in oxidischer Form enthalten |
| DE3318005C2 (de) * | 1983-05-18 | 1986-02-20 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur Eisenherstellung |
| DE3418085A1 (de) * | 1984-05-16 | 1985-11-28 | Klöckner CRA Technologie GmbH, 4100 Duisburg | Verfahren zur eisenherstellung |
-
1986
- 1986-03-08 DE DE19863607775 patent/DE3607775A1/de active Granted
-
1987
- 1987-02-17 ES ES87102235T patent/ES2000076T5/es not_active Expired - Lifetime
- 1987-02-17 AT AT87102235T patent/ATE54333T1/de not_active IP Right Cessation
- 1987-02-17 DE DE8787102235T patent/DE3763487D1/de not_active Expired - Fee Related
- 1987-02-17 EP EP87102235A patent/EP0236802B2/de not_active Expired - Lifetime
- 1987-02-24 AU AU69199/87A patent/AU572043B2/en not_active Expired
- 1987-03-02 ZA ZA871469A patent/ZA871469B/xx unknown
- 1987-03-05 CS CS871472A patent/CS265234B2/cs not_active IP Right Cessation
- 1987-03-05 IN IN171/CAL/87A patent/IN166837B/en unknown
- 1987-03-06 KR KR1019870002022A patent/KR920000520B1/ko not_active Expired
- 1987-03-06 BR BR8701047A patent/BR8701047A/pt not_active IP Right Cessation
- 1987-03-06 CA CA000531427A patent/CA1286113C/en not_active Expired - Lifetime
- 1987-03-06 SU SU874202169A patent/SU1500166A3/ru active
- 1987-03-06 JP JP62050404A patent/JPS62263908A/ja active Granted
- 1987-03-07 CN CN87102252.4A patent/CN1005274B/zh not_active Expired
- 1987-03-09 US US07/023,369 patent/US4798624A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3763487D1 (de) | 1990-08-09 |
| AU572043B2 (en) | 1988-04-28 |
| EP0236802B1 (de) | 1990-07-04 |
| ES2000076B3 (es) | 1990-09-01 |
| ES2000076A4 (es) | 1987-11-16 |
| EP0236802B2 (de) | 1997-11-19 |
| JPH0219167B2 (enrdf_load_stackoverflow) | 1990-04-27 |
| ES2000076T5 (es) | 1998-01-01 |
| ATE54333T1 (de) | 1990-07-15 |
| CN1005274B (zh) | 1989-09-27 |
| US4798624A (en) | 1989-01-17 |
| CA1286113C (en) | 1991-07-16 |
| JPS62263908A (ja) | 1987-11-16 |
| IN166837B (enrdf_load_stackoverflow) | 1990-07-21 |
| SU1500166A3 (ru) | 1989-08-07 |
| KR920000520B1 (ko) | 1992-01-14 |
| ZA871469B (en) | 1987-08-17 |
| DE3607775A1 (de) | 1987-09-17 |
| KR870009033A (ko) | 1987-10-22 |
| EP0236802A2 (de) | 1987-09-16 |
| CN87102252A (zh) | 1987-09-16 |
| BR8701047A (pt) | 1988-01-05 |
| EP0236802A3 (en) | 1988-06-01 |
| AU6919987A (en) | 1987-09-10 |
| CS147287A2 (en) | 1988-09-16 |
| DE3607775C2 (enrdf_load_stackoverflow) | 1988-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| IF00 | In force as of 2000-06-30 in czech republic | ||
| MK4A | Patent expired |
Effective date: 20020305 |